491. In an election between two candidates, one candidate gets 72% of the total votes cast. If the total votes are 1000, by how many votes does the winner win the election?

  • (A) 360
  • (B) 250
  • (C) 720
  • (D) 440

492. ∆ABC and ∆DEF are similar and their areas are respectively 0.64 m2 and 0.0121 m2. If EF = 0.154 m, then BC is:

  • (A) 1.15 m
  • (B) 11.2 m
  • (C) 1.12 m
  • (D) 2.12 m

493. PQ is a chord of a circle. The tangent XR at point X on the circle intersects the extension of PQ at point R. Given that XR = 12 cm, PQ = x cm, and QR = (x - 2) cm, find the value of x.

  • (A) 11 cm
  • (B) 9 cm
  • (C) 8 cm
  • (D) 10 cm

494. Simplify

  • (A)
  • (B)
  • (C)
  • (D)

495. A number is first increased by 44% and then decreased by 30%. The net percentage change (rounded off to the nearest integer) in the original number is:

  • (A) increase by 1%
  • (B) decrease by 4%
  • (C) increase by 4%
  • (D) decrease by 1%

496. Write the smallest digit in the blank space of a number 7__7624, so that the number formed is divisible by 3.

  • (A) 1
  • (B) 2
  • (C) 0
  • (D) 3

497. The diameter of the base of a cylindrical tank is 28 cm and its height is 42 cm. Find its curved surface area.

  • (A)
  • (B)
  • (C)
  • (D)

498. The radii of two concentric circles are 35 cm and 21 cm. If the chord of the greater circle is a tangent to the smaller circle, then the length of that chord is:

  • (A) 70 cm
  • (B) 42 cm
  • (C) 56 cm
  • (D) 28 cm

499. A solid copper sphere of radius 9 cm is drawn into a wire of radius 4 mm. Find the length of the wire.

  • (A) 60.75 m
  • (B) 70.25 m
  • (C) 65.25 m
  • (D) 20.75 m

500. The sum of two−digit number and the number obtained by interchanging the digit is 77. If the difference of digits is 1, then the number is:

  • (A) 67
  • (B) 45
  • (C) 34
  • (D) 12

Total Quizz:- 2541

Mathematics

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